//popup window
function winOpen(winUrl,w,h) {
	var x = (screen.width - w)/2;
	var y = (screen.height - h)/4;
	var options="";
	options="toolbar=0,location=0,status=0,menubar=0,scrollbars=yes,resizable=0,width="+w+",height="+h;
	var subWin = window.open(winUrl,"newwin",options);
	subWin.moveTo(x,y);
	subWin.focus();
}